Question

a concert ticket that originally cost $46.50 is on sale for $38.75. What is the percent of decrease, rounded to nearest tenth?

Answer 1

to start with let's find the difference in price

46.5-38.75 = 7.75

now we can make a proportion

7.75 x
------ = -------
46.5 100

then cross multiply and divide

100 times 7.75 = 775 divided by 46.5 16.7

the percent of decrease is 16.7